業務 ぎょうむ分掌 ぶんしょうではありませんでした
gyōmubunshōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 業務分掌

1. Was not in charge of duties.; Was not responsible for the division of work.

Past/Perfective
Negative
Polite
Formal Register